Gate



Oct. 5 1926.

L. H. ANDERSON GATE 3 Sheefs-Sheet 1 Filed May 11 1925 rxcntot Lou/L9 H14/706/50/7 enome Oct. 5 1 926. 1,601,962

L. H. ANDERSON GATE Filed May 11, 1925 s Sheets-Sheet 5 Patented Oct. 5,1926. y

UNITED STATES PATENT OFFICE;

LOUIS H. ANDERSON, F SPBINGDALE, "WASHINGTON, ASSIGNOR OF ONE-HALF TOHENRY LEETSCH, OF SPRINGDALE, WASHINGTON.

GATE.

Application filed May 11 1925. Serial No. 29,391.

My present invention relates to improvements in gates adapted for use onfarms,

and of the type having a multiple movement whereby the gate is lifted ortilted on a horizontal pivot and then byinfluence of gravity is given abodily movement in a horizontal direction. transverse of the roadway.

Two tiltable supporting tracks or suspending rails are employed forsuspendingthe gate in closed or open positions, and means utilized inconnection with the tracks or overhead suspending rails are employed forcausing the necessary vertical lifting or tilting of the gate and itssubsequent horizontal sliding or rolling movement toopen or closedposition.

The gate is operated through the instrumentality of a single cablehaving its ends extended a suitable distance along the roadway in orderthat one end may be pulled to open the gate, and after passing throughthe opening the driver may pull the other end of the rope to close thegate behind hnn.

The invention consists in certain novel combinations and arrangements ofparts involving the use of mechanism actuated by the pull cable as willhereinafter be more fully pointed out and claimed.

In the accompanying drawings I have illustrated one complete example ofthe physical embodiment of my invention wherein the parts are combinedand arranged in accordance with the best mode I have thus far devisedfor the practical application of the principles of my invention.

Figure 1 is a view in elevation showing the gate closed in full linesand indicated by dotted lines in tilted position and also indicated bydotted lines in open position.

Figure 2 is an enlarged detail view showing the right end of the gatelatched in open position.

Figure 3 is a sectional detail view of one of the tubular pivoted trackrails upon which the gate may be suspended.

Figure 4 is an enlarged detail view of the operating mechanism fortilting the suspending track rails and shifting the movement of partsfor reverse action.

Figure 5 is an edge view of the mechanism of Figure 4=. i

Figure 6 is a rear elevation of the track: rail connections.

7' is a detail view at at; the

posts 2 and 3 at the left and right in Fig ure 1, which latter postsform part of the fence 4. A small gate 5 is indicated at one side foruse by pedestrians.

The gate is of suitable construction and preferably made ,,up of twoposts 6 and 7 that are connected by a frame work of palings and railsindicated at 8.

Extending above the ends of the gate posts are hangers or suspendingbars 9 and 10 rigidly attached to the posts and provided at their upperends with suitable rollers 11.

Through the instrumentality of the hangers or suspending bars and theirrollers the gate is suspended from both of the track rails 12 and 13,which are of tubular construction, and supported in elevated position ontheir pivots 14 and 15 which pivots are supported between metal plates Aand B secured at the top of the main post 1. The track-rails arenormally disposed in horizontal position and are sufiicientlyelevated inorder that a loaded team may pass through the gate opening when thetrackrail 12, is elevated to shift the gate. The lower sides of thetrack-rails are fashioned with spaced flanges 16 to accommodate therollers and their hangers, and

the outer or remote ends of the track rails are fashioned with stop lugs17 to prevent displacement of the gate. The roller of the hanger orsuspending bar 9 is normally located in and travels the length of thetubular rail 12 and the roller of the suspending bar 10 is normallylocated in and travels the length of the tubular rail 13. Thus it willbe apparent that the rail 12 may be tilted as indicated in dotted linesFigure 1 to swing the gate on the roller in the tubular track 13 as acenter, and when thus tilted the gate is free to run under in iiuence ofgravit to the right in Figure 1. As time arranged: one endof the tiltedats is supported. by a roller that is to run down the inclined trackrail toward the main gate post while the other roller runs along itshorizontally disposed track rail. In closing the gate the track rail, as13, which was formerly disposed in the horizontal plane is tilted andthe track rail 12 (which has returned to horizontal position-)- remainsin that position, for the gate to roll to closed position as indicatedin full lines in Figure 1.

At its opposite ends the gate carries latches 18 and 19 fixed to therespective posts 6 and 7 for co-action with the latch pins 2O on fencepost 2 and 21 on fence post 3. The latches have cam faces which rideover the latch pins as they contact therewith and then hook over thepins as indicated in Figure 2 to latch the gate. The gate is un latchedas it is lifted in its tilting movement,

. the initial upward movement disengaging thev latch from the pinso'that the gate is then free to be lifted and to roll down the inclinedtrack rail.

Each of the track rails is provided with a lifting arm as 22'and 23, andthese arms are adjustable as to their length by use of a turn buckle 24.on each arm. The arms are d sposed diagonally at the sides of the mainpost with their lower spaced ends pivoted as at 25 to the respectivetrack rails. At their upper ends these diagonally extending arms ortilting bars 22 and 23 are pivoted tothe respective bell crank levers 27and 26 which levers are pivoted at 28 and 29 on the plate B. The bellcrank levers are pivoted to the tilting arms at 30, and as best seen inFigure 6 one arm of each of the bell crank levers is pivoted to avertically disposed link as 31 and 32 which is spaced at the s des ofthe vertical center of the plate B. These links are draw links adaptedto be pulled down to swing the bell crank levers and through the bellcrank levers and tilting arms or bars 22, 23 tilt the track rails. Attheir lower ends the links have studs 33 and 34 projecting laterallytherefrom and extending through spaced, parallel, slots 35 and 36 in theplate B. Means are provided for alternate engagement with these studsfor depressing them to accomplish the tilting movement of the gate.

For operating the gate a single cable 37 is employed which is extendedat both sides of the gate alongside the roadway and passes under andaround a pair of spaced guide pulleys 38 and 39 with theiraxes disposedtransversely of the roadway A stop or de tent 40 is provided on thecable spaced suliiciently from the two pulleys so that it may engage anabutment 41 on the bracket 42 which supports each pulley. There are twostops on the cable in order that only a predetermined pull may be madein either direction from one of the handles 43 at the ends f the cable.

The cable is passed over and suspended from a guide pulley 44 rotatableon a stud shaft 45 which is fixed to and projects laterally from anoscillatable, vertically slidable actuating plate 46 which is supportedon plate B by means of a flanged housing 46. This housing as seen inFigure 8 flares toward its lower end to permit oscillation oi theslidable actuating plate.

As best seen in Figure 9 the actuating plate or plunger 46 carries aloose cam arm 47 having a longitudinally extending central slot 48through which the stud shaft 45 passes, so that while the cam arm moveswith the plunger 46 the arm also is capable of relative movement. on theplunger. At its upper end the cam arm is fashioned in the form of anarrow head with cam faces 49- and 50 extending from its longitudinalcenter, and the lower end of the cam arm is con- 1 nected to a pivotedreversing or shifting cam plate 51. By pivoting the cam arm to the camplate at 52, the cam plate, which is pivoted at 52 to the plunger,performs the functions of a crank arm between the plungeer and the camplate in the reversing movement of the operative mechanism.

A; pull on cable end causes one of the stops on the cable to engage anabutment 41, then a continued pull on the cable causes the cable todepress the plunger through its pressure on the guide pulley 44. At itslower end the plunger is provided with side notches or shoulders 53 and54 which are alternately adapted to co-act and engage with the stud pins33 and 34 of the links 31 and 32. In Figure 8 the oscillatable plunger46 has been swung to position with its notch 53 engaging the stud 33 andas the plunger is pushed down through the action of the cable, the link31 will be made to swing the bell crank lever 26 to lift the track rail13 through the tilting bar 23 for the purpose'of closing the gate.

If the oscillatable plunger 46 is swung to the left in Figure 8, theduplex actuating mechanism will be operated to tilt the track rail 12through the described connections.

After a track rail has been tilted, as for opening the gate, and thegate has rolled to open position, the cable handle 43 is released as thegate assumes its open position and upon release of the cable the weightof the uplifted track rail from wh ch the gate has passed causes thesaid track rail to swing down to horizontal'position and through thebell crank, link and stud on the link the plunger is lifted again tonormal raised position in Figure 6.

As the plunger descends the cam plate 51' through its cam edge 51contacts with the stud 33 or 34 which is inoperative and the cam plateis swung on its pivot 52 to swing the oscillatable cam arm 47 on itspivot shaft 45 to a reverse position.

At the sides of the plunger are a pair of oppositely disposed shiftinglevers 56 and 57 pivoted at 58 on the plate B at the sides of theplunger and provided with lugs 59 and 60 respectively to alternatelyengage opposite sides of the lower end of the plunger.

A shi ting lever is swung on its pivot to cause its lug to oscillate orswing the plunger on its pivot 4-5.

For coaction with the cam faces as and 50 of the cam arm 47 a cam roller61 is carried by a weighted oscillatable bar 62 pivoted at 63 on theplate B above the plunger and to swing laterally as indicated in Figure4: so that the roller may be engaged by one of the cam faces to swingthe weighted arm on its pivot.

The arm carries weights 64 of sufficient capacity to give it a quickfalling movement after the cam arm has started the swinging movement ofthe weighted arm or bar, in order that the weighted bar may strike a lowagainst either of the lugs or abutments 65 and 66 on the upper ends ofthe shifting levers 56 and 57.

From this description it will be apparent that as the plunger descends,through the actuation of the cam plate 51 the cam arm I? is swung on itspivot, say to the right in Figure 4. Then when the uplifted track raildescends to normal horizontal position, the plunger is automaticallylifted. The roller 61 is now in the path of movement of the cam face 50of the cam arm. when said face contacts with the roller the weighted baris swung to the right as in full lines. The weighted bar contacts withabutment 66 of shift lever 57 and the lever is swung to its indicatedposition. The lower end of the lever or its lug is engaged with thelower end of the plunger and the latter is swung or oscillated slightlyto the left in its indicated position with notch 53 engaging the stud34. The weighted bar now holds the plunger in this operative positionfor the next pull on the cable, which will be in direction reverse tothe first pull, for opening the gate.

Having thus fully described my invention, what I claim as new and desireto secure by Letters Patent is 1. The combination with a post, a pair oftrack rails pivoted thereon, and a gravity actuated gate suspended onsaid rails, of a slotted plate on the post, a pair of tilting armspivoted to said rails, a pair of bell crank levers pivoted on said plateand pivotally connected to said tilting arms, a link on each leverhaving a stud' guided in said slotted plate, and means adapted todepress said studs alternately.

2. The combination with a tiltable gate and actuating means therefor, ofoperating means comprising a plunger for co-action with the actuatingmeans, a pair of guide pulleys and a single cable, means on the plungerfor suspending the cable between said pulleys, and stop devices toresist pull on the cable to impart pressure for actuating the plunger.

3. The combination with a tiltable gate and actuating means therefor, ofmeans comprising a plunger for co-action with the actuating means, apair of guide pulleys and supports each having an abutment thereon, asingle cable on said pulleys and stops on said cable for co-action withsaid abutments, a suspending pulley on the plunger for said cablewhereby the plunger may be depressed by a pull on the cable, and meansfor elevating said plunger.

4. The combination with a pair of tiltable track rails and duplextilting means therefor, of operating means comprising a shiftableplunger and means for shifting said plunger for alternate oo-action withsaid tilting means, a pair of guide pulleys, a single cable, a pulley onthe plunger for suspending the cable between the guide pulleys, andmeans for resisting the pull on the cable in either direction to cause adepression of the plunger.

5. Ina gate operating mechanism the combination with a plunger having anotched lower edge and actuating means having studs for alternateengagement by said notched edge, means for depressing the plunger, andmeans for shifting the plunger for alternate engagement with said studs.

6. In a gate operating mechanism the combination witha depressibleplunger and actuating means therefor, of a supporting housing in whichthe plunger is oscillatable, a pair of laterally spaced shifting leversfor alternate coaction with said plunger, means for shifting the levers,and means for actuating the shifting means.

7. In a gate operating mechanism the combination with a housing of anoscillatable plunger therein and actuating means for the plunger, a pairof laterally spaced shifting levers for alternate oo-action with theoscillatable plunger, a weighted, pivoted bar for alternate co-actionwith said levers, and means carried by the plunger for shifting saidweighted bar.

8. In a gate operating mechanism the combination with a housing of anoscillatable plunger therein and means for depressing the plunger, avpair of laterally spaced shifting levers for alternate co-action withthe oscillatable plunger, a weighted pivoted bar for alternate co-actionwith said levers, an oscillatable cam arm carried by the plunger forshifting said bar, and means for shifting said cam arm.

In testimony whereof I aflix my signature.

LOUIS H. ANUERSQN.

